ah, the psychology of it all!

First, I think it must be the tape measure. Really. I measured the distance from fridge shelf to ceiling at least three times, and was reasonably satisfied that two 30″ high cabinets would come no closer than 4″ to the ceiling, enough room for a strip of drywall, the moulding, blah blah blah.
Err, NO.
Stupid 30″, [...]